Calphalon William Sonoma Elite Nonstick 11 Piece Cookware Set (11 piece set) Premium hard-anodized aluminum ensures excellent heat conduction and uniform cooking. Triple-layer nonstick surface is durable enough to withstand metal whisks, spoons and spatulas. Textured Sear nonstick interior seals in flavor when browning or searing foods. Ergonomically shaped handles offer a secure grip and comfortable lifting. Dishwasher safe.